Alpha Technologies USM2 - Manual (Page 12)

12
©2000 ™
704-587-B0-003 Rev.D
2.4 USM2 Installation, XM2V
The optional, USM2 status monitoring upgrade plugs into the XM2V Inverter Module. The PCB can be configured for
various status monitoring interfaces by setting two DIP switches and two jumpers. Status monitoring interfaces are listed
according to their manufacturer, along with the associated parts. The USM2 also accommodates a tamper switch input to
indicate unauthorized enclosure entries.
CAUTION: The USM2 PCB contains static sensitive components that can be easily damaged if not handled properly.
USM2 Installation Procedure:
1. Switch the battery circuit breaker OFF.
2. Remove the battery input cable, and the temperature probe cable.
3. Remove the Inverter Module; loosen the thumbscrews located at the top of the panel, grasp the hand
hold at the center of the Inverter Module, pull firmly to release the module from the inverter connector.
Gently slide the module assembly 3/4 of the way straight out. Disconnect the Inverter Module ribbon
cable.
4. Set the two switches (SW-1 and SW-2) and two Jumpers (JP-1 and JP-2) on the USM2 to the proper
configuration settings for your status monitoring interface, as per the table on next page.
5. Install the interconnect ribbon cable to J-4 and the matching connector on the Inverter Module.
6. Snap the pins of the USM2 card onto the Inverter Module shield.
7. Install the two screws though the USM2 assembly into the inverter shield.
8. Carefully reinstall the Inverter Module and tighten the thumbscrews.
9. Reconnect the battery input cable and the remote temperature sensor.
10. Switch the battery circuit breaker ON.
2. Installation
sys/comm
tamper
transponder
ribbon cable SW-1 SW-2
JP 1
JP 2
J 4
Figure 2-4; USM2 Installation in XM2V